535results about How to "Absorbent" patented technology

The invention discloses a water-based ultra-thin fire-retardant coating for steel structures. The fire-retardant coating comprises components as follows: a binder emulsion, an intumescent flame retardant system, filler, deionized water and additives, wherein the additives comprise a dispersing agent, an antifoaming agent, a mold inhibitor, an anti-flash-rust agent, a coalescing agent, a leveling agent and a thickener; the intumescent flame retardant system comprises a dehydration catalyst, a carbonizing agent and a foaming agent. The invention further designs a preparation method of the water-based ultra-thin fire-retardant coating for the steel structures. The components are mixed sequentially to be prepared into the water-based ultra-thin fire-retardant coating for the steel structures in a vertical sand mill and a dispersing tank. The prepared coating is large in adhesive force, high in hardness, good in fireproof property, good in anti-scratch performance and excellent in weather resistance and water resistance, the surface layer of the coating is fine and smooth, the decoration performance is improved significantly, and the preparation method is low in energy consumption and has the advantages that the harm to human bodies and the pollution to the environment during preparation are small and the like.

The invention discloses a selenium-enriched rice planting method. The method includes the following steps of land selecting, field finishing, seed treatment, sowing and seedling raising, seedling transplant, fertilizer management in the later period, irrigation treatment and selenium-enriched rice harvesting. Before seedlings are transplanted, selenium-enriched base fertilizer in a complex state is applied in the rice field, and a certain selenium source is provided for rice; at the beginning of panicle emergence and flowering of rice and grouting, the selenium-enriched compound fertilizer is applied in the rice field again, the selenium-enriched fertilizer is evenly distributed around roots of the seedlings in the growth process, the selenium in a complex state from soil is absorbed by the roots of the plants and then enters the inner cycle systems of the plants and participates in synthesis of protein through the path from stems to leaves to flowers and fruits, and finally, the selenium in an ionic condition from soil is stored in the seeds in the form of selenoprotein. The selenium-enriched rice tastes good and is high in nutrient matter content, and the content of the selenium of the rice can reach over 0.2 mg / kg and meets the national selenium-enriched standard.

The invention relates to an infant nutrition immunity formula powdered milk and a production method thereof, wherein, the production method of the infant nutrition immunity formula powdered milk comprises the following steps: milk which is raw material, is preprocessed, the mixed solution of docosahexaenoic acid and arachidonic acid is prepared, ingredients are mixed, preheating, homogenizing and heating are carried out for sterilizing, decompression is carried out for concentrating, and spray-drying under negative pressure and low temperature and drying on a fluidized bed are carried out, then cooling, packing and inspecting are carried out. The infant nutrition immunity formula powdered milk manufactured by the method of the invention mainly comprises casein phosphoeptide, vitamin D3, lactoferrin, nucleotide, linoleic acid, linolenic acid, the docosahexaenoic acid, the arachidonic acid, fructo-oligosaccharide and galacto-oligosaccharide, which has the advantage of reasonable trophic structure and also ensures that various nutrient substance to be absorbed and deposited to the utmost extend, so as to promote the development of brain and nervous system, improve active immunity, improve intestinal tract micro-ecological environment and strengthen the absorption of calcium, iron and zinc as well as effectively maintain every active nutrient component during the production process.

The invention relates to a biomass feed divider with changeable trough obliquity and vibration frequency and amplitude, which realizes continuous, stable and safe feed division by adopting two regulating measures of changing obliquity of a trough and changing vibration frequency and amplitude and by exciting force generated by a vibrating motor (9). The device is formed by arranging one or a plurality of independent distributors in parallel, wherein each distributor mainly comprises a trough body (4), a vibrating motor (9), an elevating (8), a spring supporting mechanism (11) and an auxiliary mechanism; the trough body (4) is supported by the spring supporting mechanism (11) at the front part and the elevating (8) at the rear part, the vibrating motor (9) is arranged in the middle of the bottom of the trough body (4), and the rear part of the trough body (4) is connected with bulkhead by canvas (3). The device integrates material storage and material distribution, is not only suitable for hard biomass but also is suitable for soft biomass, and has lateral expansibility, thereby being convenient to be used together with material equipment of various types.

The invention discloses a muting sensitive lactalbumin hydrolysate and a preparation method thereof. The method mainly comprises the following steps: dissolving condensed whey protein in the water, then carrying out denaturation under high temperature, carrying out hydrolysis by using the protamex composed of alkali protease, papain and flavourzyme, treating the lactalbumin hydrating solution with desalinization and drying to obtain the lactalbumin hydrolysate of the invention. The lactalbumin hydrolysate of the invention has high suppression ratio of Beta-lactoglobulin and Alpha- lactalbumin, can reduce or eliminate cow milk allergic reaction; furthermore, the lactalbumin hydrolysate can also produce other active materials, thus also having the functions of promoting immunity, being easy to digest and absorb and reducing blood pressure; and the lactalbumin hydrolysate has high security and no side effect, bitter taste or other bad flavors.

The invention belongs to the technical field of organic and inorganic composite materials, in particular to a preparation method of organic and inorganic composite fibrous materials with supercritical carbon dioxide. The method includes pre-treatment and activation treatment of cellulose, doping of inorganic sol to the cellulose, etc. The invention makes use of the strong permeability of the carbon dioxide under supercritical conditions, can activate the cellulose with cosolvent, or lead nano particles in the inorganic sol to be absorbed and settled on the surface of the cellulose to form an even, continuous and stable coating layer; meanwhile, some sol particles penetrate into the fiber, so as to dope plenty of cellulose. The supercritical carbon dioxide adopted by the invention is safe, reliable, non-toxic, no pollutant and recyclable, and is environment friendly green solvent. The method of the invention is simple and easy to be operated, and the hybrid material has broad application prospect.

The invention relates to an organic light-emitting diode device, a fabrication method and a display device, so as to improve the waterproof oxidation performance of the organic light-emitting diode device (OLED) device. An organic light-emitting diode display device comprises a first substrate, the organic light-emitting diode device, at least one packaging layer, a bonding layer and a second substrate, wherein the organic light-emitting diode device is arranged on the first substrate; the at least one packaging layer is arranged on the organic light-emitting diode device; the bonding layer is arranged on the at least one packaging layer; the second substrate is arranged on the bonding layer; and a concave-convex structure is formed in at least one side surface of the packaging layer. According to the technical scheme provided by the invention, compared with the prior art, the damages to the OLED device caused by water vapor and oxygen in air can be reduced; and the waterproof oxidation performance of the OLED device is improved.

The invention discloses a water-based plastic coating. The water-based plastic coating comprises the following components: a water-based resin emulsion, deionized water, a filler and additives. The invention further designs a preparation method of the water-based plastic coating, and the preparation method comprises the following steps: adding the filler into the water-based resin emulsion, adding an appropriate amount of deionized water, stirring, pouring into a sand mill for grinding, putting into a dispersing cylinder when the fineness is below 80mu m, adding the additives, sealing, stirring and detecting the viscosity for not less than 95s to prepare the water-based plastic coating. The water-based plastic coating has excellent water absorption, water retention, water suction and drainage and a good humidity adjusting effect, can be used for regulating the indoor relative humidity, and has the advantages of relatively high scrubbing resistance, water resistance and solvent resistance, corrosion resistance, alkali resistance, light resistance, weather resistance, good film-forming property, excellent color retention, wear resistance, corrosion resistance, controllable hardness, high performance-price ratio and the like, and the preparation method is simple, easy to operate without pollution, good in construction and safe to use.

The invention discloses a thiolated-chitosan-based temperature-sensitive in-situ hydrogel as well as a preparation method and uses thereof. The thiolated-chitosan-based temperature-sensitive in-situ hydrogel is tribasic or dibasic temperature-sensitive in-situ hydrogel consisting of 0.5 to 10% of thiolated chitosan by mass, 1 to 30% of sodium glycero-phosphate by mass, (methyl) acrylic ester-based polymer of which the use amount is 0 to 0.5 time as much as the molar weight of sulfhydryl in the thiolated chitosan, and the balance of water; the preparation method of the thiolated-chitosan-based temperature-sensitive in-situ hydrogel comprises the steps of preparing an aqueous solution from the thiolated chitosan, the sodium glycero-phosphate and the (methyl) acrylic ester-based polymer, stirring uniformly and forming the hydrogel in situ at 10 DEG C to 50 DEG C; and the thiolated-chitosan-based temperature-sensitive in-situ hydrogel has water-absorbability, permeability, excellent biocompatibility and biodegradability and higher mechanical strength, is simple and convenient to operate, and can be widely used in biomedicines and other aspects.

The invention discloses a plant growth matrix with high water retention for spray seeding revegetation and a preparation method thereof. The plant growth matrix comprises an upper layer and a lower layer, wherein the lower layer is a plant growth matrix layer, and the upper layer is an organic matter covering layer covered on the plant growth matrix layer. According to the invention, perlite and montmorillonite with high hydroscopicity are applied to modification of the matrix for spray seeding revegetation, an organic matter is used to cover the surface of the plant growth matrix, a preparation process for the matrix is optimized, and thus, the disadvantage that moisture in a common matrix easily volatilizes is improved; the matrix for spray seeding revegetation has good adhesion, can be firmly attached on the surface of a bare rock side slope, well absorbs and maintains moisture, uninterruptedly provides moisture and nutrient elements needed by plant growth, guarantees revegetation of the side slope and has the advantages of low cost and easiness in manufacturing. Through implementation of a technical scheme in the invention, it is overcome that vegetation easily dies from drought after spray seeding of nonlocal soil on a side slope in an arid rainless region in China.

The invention provides a diatom ooze coating, belonging to the technical field of decoration coatings. Components of the diatom ooze coating mainly comprise synthesized emulsion, a dispersant, kieselguhr, a filler, a silver ion antibacterial agent, an additive and water and the like. The aperture of the selected kieselguhr is 280-580 meshes, and a micropore structure of the kieselguhr can be kept, and actions of humidifying and absorbing and dissolving formaldehyde can be achieved. The content of emulsion is reduced, and the strength of the coating after a wall is coated is ensured, and powder falling is avoided, and kieselguhr particles are not fully wrapped due to a formed membrane thus the micropores are not blocked, so that the functionality is not affected. The silver ion antibacterial agent is added into the coating, so the growth and propagation of microorganisms are effectively inhibited. The diatom ooze coating is obtained in a manner of charging materials in batches and stirring. Before the emulsion is added, under stirring, a thickener and a pH regulator are added, and the thickener can be fully dissolved by a shearing action, and an advanced dissolving step for the thickener is reduced.

The invention relates to the technical field of health foods and particularly relates to a fruit-vegetable complex enzyme solid beverage with a function of regulating intestinal tracts and a preparation method thereof. The solid beverage comprises, by weight, 10 to 50 parts of comprehensive fruit and vegetable powder, 10 to 40 parts of fruit and vegetable complex enzyme powder, 1 to 40 parts of water-soluble dietary fibers, 1 to 20 parts of fructose, 1 to 20 parts of xylooligosaccharide, 1 to 20 parts of fructooligosaccharide and 0.1 to 10 parts of sucralose. The solid beverage contains pure natural fruit and vegetable powder and fruit and vegetable complex enzyme powder and is rich in nutrients. Through use of the fruit and vegetable complex enzyme powder, the solid beverage can be fast absorbed. Through combination with the integrated fruit and vegetable powder, a taste and nutrients are provided. The nutrients can be decomposed inside the body and continuously provided for the body.The preparation method has simple processes. The fruit-vegetable complex enzyme solid beverage is easy to carry, has a good taste and multiple functions, improves intestinal flora balance, relaxes bowel, reduces weight, maintains beauty, keeps young and improves immunity.

The invention relates to a binder, a preparation method of the binder and an application of the binder used as the metallurgical pellet binder, belonging to the technical field of the production of sintered pellets of the ferrous metallurgy. The technical scheme of the invention is as follows: the binder consists of the following one or two components: the mixture of polyacrylamide, sodium humate and nitrate or chlorate or perchlorate, corn starch mixture and the mixture of polyacrylamide and sodium aluminate. The preparation method comprises the following steps: adding the binder in fine iron powder for pelletizing of which 200-mesh passing rate is no less than 70% to mix evenly and pelletizing, wherein the dosage of the binder is 0.2-0.5% of fine iron powder. The invention has the beneficial effects: the binder has some properties of bentonite such as hygroscopicity and lubricity, the binder does not contain silicon, aluminum, phosphorus and sulfur, the pelletizing dosage of the binder is small, the burning loss is high, the high temperature burning loss of the binder is up to 60%-90%; and the pelletizing process mainly adopts lamellar packing growth, the agglomeration growth is reduced, the internal oxidation of the pellets in the chain grate can be promoted.

The invention provides a submerged plant modularized growth bed and a method for recovering growth of underwater submerged plants. The submerged plant modularized growth bed comprises suspended solids, planting layers, plant layers, a growth substrate layer, a bearing layer and balance weight facilities, the submerged plant modularized growth beds are mutually connected to form an entire piece, micropores are formed in the bearing layer so that roots of the plants can penetrate through, the growth substrate layer adopts planting soil, the periphery of the planting layer is fixedly connected with the periphery of the bearing layer, the planting layers and the bearing layer wrap the growth substrate layer, the suspended solids are fixedly arranged around the submerged plant modularized growth bed, each suspended solid is hollow and is filled with air, and the balance weights are fixedly arranged at the lower end portion of the suspended solids to keep the depth of the modularized growth bed suspending on the water surface. The submerged plant modularized growth bed is reasonable in design, compact in structure, simple to manufacture, low in cost, simple to operate and convenient to manage, and the submerged plant modularized growth bed is degraded along with the growth of the underwater submerged plants, is free of pollution, protects the environment, is wide in application range, is widely popularized conveniently, and is favorable for recovery of the underwater submerged plants in different water areas.

The clean wiping cloth and its production process belong to the field of weaving technology. The clean wiping cloth is produced with composite polyester-Jinlun yarn as material and through the steps of compounding twisting, warping, weaving, opening, and gluing to set. In the opening step, the composite polyester-Jinlun yarn is soaked in sodium hydroxide solution of concentration 6-8 g / L at 98-105 or 1 hr. The high efficiency clean wiping cloth made of superfine fiber has fine fuzzy fibers in much greater quantity than that in common fabric, high dirt holding capacity, no dust, high hygroscopicity and high cleaning power.

The invention provides a degradable food preservation pad capable of inhibiting bacteria, preventing vibration and absorbing moisture as well as a preparation method thereof. The preparation method ofthe degradable food preservation pad capable of inhibiting bacteria, preventing vibration and absorbing moisture comprises the following steps: spraying a natural antibacterial agent onto surface ofan antibacterial polylactic acid (PLA) / starch foamed material; and then, coating the antibacterial PLA / starch foamed material with a perforated polylactic acid film, thereby obtaining the degradable food preservation pad capable of inhibiting bacteria, preventing vibration and absorbing moisture. The degradable food preservation pad capable of inhibiting bacteria, preventing vibration and absorbing moisture provided by the invention has both internal and external antibacterial effects, so that an internal antibacterial agent can be slowly released while an external antibacterial agent rapidlyfunctions by volatilization or contact with a food; and thus, the degradable food preservation pad synchronously has timely antibacterial effects and long-lasting antibacterial effects. The degradablefood preservation pad capable of inhibiting bacteria, preventing vibration and absorbing moisture has broad-spectrum antibacterial capability, and is capable of inhibiting propagation of microorganisms, reducing food spoilage and prolonging product storage lives; and moreover, the degradable food preservation pad also has water absorbing and vibration preventing effects, so that quality of the products can be ensured. In addition, the degradable food preservation pad capable of inhibiting bacteria, preventing vibration and absorbing moisture provided by the invention is an all biodegradable material which is green, safe and environment friendly; and thus, the degradable food preservation pad has very broad application prospects.

The invention provides a high-temperature-resistant composite reinforced gel plugging agent and a preparation method thereof. The gel plugging agent is prepared from the following raw materials in parts by mass: 15-35 parts of a copolymerization monomer; 1.0 to 2.0 parts of cross-linking agent WEG; 0.1 to 0.5 part of an initiator; and 0.5 to 2.0 parts of resin-based support particles; wherein thecopolymerization monomer is a combination of three or more than three components selected from polyoxyethylene ether, hydroxyethyl methacrylate, dimethylaminoethyl methacrylate, 2-ethyl methacrylate,beta-hydroxyethyl methacrylate or N-vinyl pyrrolidone. The plugging agent provided by the invention has the characteristics of high temperature resistance and delayed expansion, can fully and smoothlyenter stratum cracks, and achieve the purpose of effectively plugging crack pores.

The invention relates to a method for producing high-hygroscopicity acrylic fibers, which is characterized by directly adding the acrylic fibers to mixed solution formed by sodium hydroxide or potassium hydroxide and guanidine reagents, carrying out hydrolysis and cyclization for 10-200min under the reaction temperature of 50-200 DEG C and carrying out cleaning and drying to produce the high-hygroscopicity acrylic fibers; or firstly adding the acrylic fibers to mixed solution formed by guanidine reagents and sodium hydroxide or potassium hydroxide to be soaked for 3-30min, then extruding the acrylic fibers until the water content is 50-500% and finally placing the extruded acrylic fibers into a steam setting vessel to be dry-steamed or steamed for 10-200min at 50-200 DEG C and carrying out cleaning and drying to produce the high-hygroscopicity acrylic fibers. The method can process the acrylic fibers into high-hygroscopicity acrylic fibers only by adopting the simple acrylic fiber hydrolyzing and crosslinking processes, has the advantages of simple production process, low equipment investment and low production cost and is easy to realize industrialization.

The invention discloses an ink-absorbing quick-drying painting canvas. The preparation method of the canvas comprises the following steps: (1) painting gel resin on the surface of fabric, drying in an oven with a temperature of 100 to 120 DEG C so as to obtain a gel resin layer; (2) painting prime paint on the gel resin layer, drying in an oven with a temperature of 90 to 100 DEG C so as to obtain a prime paint layer; (3) painting surface paint on the prime paint layer, drying in an oven with a temperature of 70 to 85 DEG C so as to obtain a surface paint layer, wherein during this process, the fabrics go through the oven in a speed of 6 meters per minute to 7 meters per minute; (4) painting ink-absorbing quick-drying paint on the surface paint layer, drying in an oven with a temperature of 70 to 85 DEG C, wherein in this process, the fabrics go through the oven in a speed of 6 meters per minute to 7 meters per minute. The ink-absorbing quick-drying painting canvas preserves the unique wash-painting effect of raw Xuan paper, overcomes the inherent shortages of raw Xuan paper, thus enlarges the application range and increases the collection value of wash paintings.

The invention discloses formaldehyde-proof interior wall coating, which consists of surface coating and base coating, wherein the surface coating at least comprises acetate / acrylic emulsion, paint or titanium white, a functional material and a filler; and the base coating at least comprises styrene-acrylate emulsion, paint or titanium white and a filler. The surface coating is prepared from the following raw materials in part by weight: 15 to 25 parts of acetate / acrylic emulsion, 25 to 35 parts of water, 15 to 20 parts of paint or titanium white, 3 to 8 parts of functional material, 20 to 30 parts of filler and 2 to 3 parts of assistant; and the base coating is prepared from the following raw materials in part by weight: 25 to 35 parts of styrene-acrylate emulsion, 20 to 30 parts of water, 5 to 10 parts of paint or titanium white, 25 to 35 parts of filler and 5 to 7 parts of assistant. The formaldehyde-proof interior wall coating has the advantages of low volatile organic compounds (VOC), slight smell, high constructability, capability of absorbing and discomposing formaldehyde in the environment, and the like.

The invention discloses a method for firing an underglazed color crack ceramic at a high temperature, and belongs to the technical field of ceramic manufacturing methods. The method is technically characterized by comprising the steps as follows: (1), a ceramic clay body is manufactured and dried for spare; (2), the dried ceramic clay body is immersed in high-temperature transparent feldspar glaze paste for 3-8 seconds, and taken out and dried for spare; (3), the glaze-immersed and dried ceramic clay body is placed in a kiln for low temperature firing; (4), a ceramic semi-finished product is taken out and subjected to still standing for 1-3 days at a normal temperature, and cracks are formed in an glaze layer of the surface of the ceramic semi-finished product; (5), the ceramic semi-finished product with the cracks is immersed in colored glaze slurry, the immersion time is 3-8 seconds, and the ceramic semi-finished product is taken out and dried for spare; and (6), the secondarily glaze-immersed and dried ceramic semi-finished product is placed in the kiln for high-temperature firing. The method aims to manufacture the underglazed color crack ceramic with the cracks and good seismic resistance and thermal stability, and is used for manufacturing ceramics.

The invention discloses a fly ash activation regeneration composite filtration material and a manufacture method of the filtration material, belonging to the field of water treatment technique. The fly ash activation regeneration composite filtration material consists of 80 to 90 portions of fly ashes or furnace ashes (by weight) with the grain diameter not less than 80 meshes and 10 to 20 portions of porous aluminosilicate mixed powders (by weight); the fly ash or the furnace ash are bonded as grain shape with the granularity less than 8mm; the porous aluminosilicate mixed powders are enwrapped on the surface of the fly ashes or the furnace ashes and burned so as to form a ceramic layer which is provided with an adsorption micro-hole which is communicated with an internal core. The fly ash activation regeneration composite filtration material is fabricated and formed by the steps of raw material mixing, primary granulation, secondary granulation, drying, roasting, etc., and has the advantages of low cost and good purification effect.

The invention discloses a method for preparing a composite porous scaffold. According to the method, silk fibroin, collagen and chitosan are compounded together to form the white spongy composite porous scaffold. The porous scaffold prepared by the method can be applied in the technical fields of filling and repair of tissues and wounds, tissue engineering, medicament release and the like. The porosity of the prepared composite porous scaffold reaches more than 98 percent, the size distribution is 50 to 400 microns, and micro pores are intercommunicated. The obtained composite porous scaffold can keep the original form after being soaked into water, has the function of sponge, and can recover the original form after extrusion.

The invention relates to a biodegradable polyanhydride copolymer whose aqueous solution has temperature-sensitive in-situ gel properties, a temperature-sensitive hydrogel system of the polyanhydride copolymer and its application. Biodegradable polyanhydride copolymers are BAB, ABA or (AB)n-type amphiphilic block copolymers composed of polyethylene glycol (B) as a hydrophilic block and degradable polyanhydride (A) as a hydrophobic block objects, where n is between 1 and 50. The mass content of the polyethylene glycol block is 20% to 70%, and the mass content of the polyanhydride block is 30% to 80%. The amphiphilic block copolymer proposed in the present invention can biodegrade in vivo, and the degradation product Non-toxic and harmless, it is a new type of artificially synthesized polymer temperature-sensitive hydrogel material, which is simple and convenient to operate, and can provide a suitable drug delivery system and drug delivery method for drug injection positioning drug preparations and controlled release of drugs. It can provide gel matrix and effective means for enzyme immobilization, cell culture, tissue engineering, etc.

The invention belongs to a method for preparing an aluminum plate base for printing, and relates to a method for preparing an aluminum plate base for inkjet computer to plate and a hydrophilic coating for coating the surface of the aluminum plate base. The method for preparing the aluminum plate base comprises the steps of deoiling the aluminum plate base, performing electrolysis, dedusting, performing anodic oxidation and the like, and coating the hydrophilic coating on the treated aluminum plate base. The electrolysis and anodic oxidation processes in the prior art are improved, so that a nanometer and micrometer structure can be constructed on the surface after the aluminum plate base is subjected to the anodic oxidation; the diffusion behavior of ink droplets is controlled, and the hydrophilic coating is coated on the surface of the aluminum plate base, so that the aluminum plate base has certain roughness, ink absorption property and high wear resistance simultaneously; printing ink is sprayed on the aluminum plate base coated with the hydrophilic coating by an inkjet computer to plate technology so as to form a text area; and by adjusting the preparation process of the plate base and coating the hydrophilic coating, contrast between the text area and a non-text area during printing is increased, and text resolution is improved.

The invention relates to the field of wood processing, in particular to a paint-brushing and dust-removing device for wood boards. The paint-brushing and dust-removing device comprises a machine enclosure and a transmission mechanism positioned at the lower end of the machine enclosure, and further comprises a dust-removing part and a paint-brushing part fixed on the machine enclosure, wherein the dust-removing part is arranged at the inlet end of the transmission mechanism; the paint-brushing part is arranged at the outlet end of the transmission mechanism; the dust-removing part comprises a brush and a dust-sucking mechanism; the brush is in sliding connection with the machine enclosure; the dust-sucking mechanism sequentially comprises a dust collecting part, a cloth bag and a fan from bottom to top; the paint-brushing part is provided with a roller and a paint barrel; and the roller and the paint barrel are connected through a feeding tube. The paint-brushing and dust-removing device integrates dust-removing and paint-brushing, so that paint brushing quality is guaranteed.

The invention relates to a haze-preventing helmet with a nanoscale titanium dioxide photocatalytic net micro air purifier, and belongs to the technical field of new energy labor protection article air purifying. Polluted air blowing to the face of a rider riding an electric bicycle moving forward in haze air is filtered through an activated carbon filter screen and enters an air inlet pipe due to the fact that an electric fan increases the air inlet speed, a lithium ion battery supplies power to an LED ultraviolet lamp arranged on an LED ultraviolet lamp support, light rays emitted by the LED ultraviolet lamp radiate nanoscale titanium dioxide in a nanoscale titanium dioxide photocatalytic net, the capacity of semiconductor photocatalytic nanoscale titanium dioxide in the aspect of absorbing and degrading organic pollutants and inorganic pollutants is improved, by the combination of the medical grade HEPA filtering screen, nano silver ion antibacterial coating and the nano atmosphere purifying coating technology, the polluted air input from an air inlet is purified into clean air, the clean air is supplied to the rider riding the electric bicycle through a clean air supplying pipe, and health of every part of the head of the rider is guaranteed.

The invention provides a method of preparing and constructing a rubber asphalt waterproof paint without a bulge defect. The method comprises the steps of removing laitance and sundries on the surface of a concrete base surface with a quality defect; aiming at the dried concrete base surface, taking the rubber asphalt waterproof paint as a component A, taking a curing agent as a component B, and separately spraying the component A to the concrete base surface; spraying the component A and the component B when the concrete base surface of the component A is sprayed, and adding a wetting agent and a coupling agent into rubber asphalt waterproof paint; aiming at humid concrete base surface or the concrete base surface with open water, taking the rubber asphalt waterproof paint as the component A, taking a curing agent as the component B, spreading a thin layer of base layer processing agent used for absorbing and storing moisture on the concrete base surface, and brushing until the base layer processing agent is uniform by either a brush or a roller; and simultaneously spraying the component A and the component B on the concrete base surface.

The invention discloses a piece dyeing method of cotton binding textiles, which is characterized in that the invention has the concrete processing process comprising the steps of singeing, desizing, light scouring and bleaching, pre-setting, rendering, color fixation soap washing, forming and preshrinking. The invention has the advantages that the cotton binding textiles obtained through being processed by the method have the advantages of uniform cloth surface color, good luster, high intensity and low washing shrinkage rate, and in addition, the production processing efficiency of the method is high. In addition, the mixed alkali treatment is adopted in the light scouring and bleaching process, so the invention ensures that the processed cotton binding textiles have certain whiteness and water absorption performance, in addition, the plant intensity of the textiles can not be damaged to the furthest extent, and the narrow width of the textiles caused by shrinkage in the following processing work procedure can be avoided through improving the hydrophilicity of the textiles and widening the width of the textiles via the pre-setting process.

The invention provides a clean soil-stabilizing and dust-suppression agent which is composed of, by weight, 2-5 parts of sodium silicate, 0.3-0.6 part of sodium carboxymethylcellulose, 1.5-2 parts of glycerol, 5-10 parts of pure acrylic emulsion, 0.25-1 part of sodium dodecyl benzene sulfonate and the rest of water. The invention also provides a preparation method of the above clean soil-stabilizing and dust-suppression agent. The preparation method comprises the following steps: firstly dissolving sodium silicate and sodium carboxymethylcellulose in water, adding the solution and glycerol into a reaction vessel, fully mixing at the temperature of 40-50 DEG C, adding pure acrylic emulsion, fully reacting and mixing at 25-35 DEG C, adding a sodium dodecyl benzene sulfonate solution, and continuously fully reacting and mixing so as to obtain a clean soil-stabilizing and dust-suppression agent. The dust-suppression agent of the invention has bonding and moisture-absorption effects, and has strong anti-evaporation property and good permeability. Effective dust suppression time is as long as 30 d, and dust suppression efficiency is maintained to be 95% and above.